SAT Math Practice Question #22599 - SATify | SATify

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SAT Math Practice Question #22599 - SATify | SATify

#22599

combinatorics

counting

Recurrence Relations

hard

150 sec

How many binary strings of length $10$ contain no consecutive $1$ s?

A.

$89$

B.

$120$

C.

$144$

D.

$169$

E.

$233$